The Reincarnated Assassin is a Genius Swordsman - Chapter 648

In the vast Marvel universe, where superpower was still slowly growing in its infancy, several peerless superheroes tried to find their path in The Marvel Universe. A young adult named Ron from modern Earth unwittingly stumbles into such a world and begins his journey with an unknown power. This is a magnificent yet unknown true marvel world! This is the story of a normal young adult and his adventures!

- Description from Novelupdates

Traveling through the world of One Piece, Ron, who became Kuina’s fiancé, awakened the god-level theft system.

In order to become stronger and change the fate of Kuina’s death, and to survive in this dangerous era of great pirates, Ron started to steal Sauron’s top kendo talent.

And that’s just the beginning.

In order to become stronger, Ron embarked on a journey to steal the talents of the world’s strongest.

“Ding! Congratulations to the host for stealing Karp’s physical talent!”

“Ding! Congratulations to the host for stealing Nika’s talent!”

“Ding! Congratulations to the host for stealing Shanks’ domineering talent!”

“Ding! Congratulations to the host…”

- Description from novelbuddy

The two faced number one female spy transmigrates to a different world and becomes an outrageous idiot girl. When she woke up, what she had to face was consecutive blows of the decline of her family clan, her crippled martial skills, and her disfiguration. To protect her family, she must obtain the treasured book, obtain outstanding achievements, summon a dark beast army. Wait and see how in this unfamiliar, dark magical continent, she dies and becomes a demon then steps up to the top, making all of the formidable people in the world bow down to her in respect.

- Description from Novelupdates

Robin Burton is a young man who grow with everything anyone can hope for, immense talent for cultivation, sharp mind, a wealthy family that will stop at nothing to protect and nurture him

He had everything... except the willingness to take them.

“Why would I take the same route as my ancestors ?

why should I become stronger? to beat this and compete with that..?

At the end of this road what will happen? get a harem then die and be forgotten after a few years?

NO! That is not what I got my talent for... THAT IS NOT WHAT I WAS BORN FOR!

what I want is more... much more.

I refuse... I will not take anyone's route, I will make my own...

I do not want to be a legendary figure, I will be THE Legend..

I.. Robin.. will do it my way, or die trying.”

This is the story of a Researcher, a Warlord and... a God Emperor.